| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a structure for fixing a floor supporter in which the floor supporter can surely be fixed to a part of concrete placement such as a dirt floor concrete and a mat foundation. SOLUTION: In this method for placing concrete underfloor such as a dirt floor concrete and a mat foundation, a groove-like receiving frame 10 is embedded in the concrete with its opening part covered by a lid member 13, and after removing a specified part of the lid member from the groove-like receiving frame 10, a floor supporter is fixed to the groove-like receiving frame 10 by a mechanical fixing means 20.
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